#include<iostream>
#include<vector>
#include<queue>
#include<cstring>
#include<cmath>
#include<map>
#include<set>
#include<cstdio>
#include<algorithm>
#define debug(a) cout<<#a<<"="<<a<<endl;
using namespace std;
const int maxn=1e5;
typedef long long LL;
inline LL read()
{
	LL x=0,f=1;char ch=getchar();
	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
	while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
int main(void)
{
  cin.tie(0);std::ios::sync_with_stdio(false);
  LL t;cin>>t;
  while(t--){
    string a=" ";string b;cin>>b;
    a+=b;
    LL sum=0;
    for(LL i=1;i<=a.size()-2;i++){
        if(a[i+2]==a[i]&&a[i]!='*'&&a[i+2]!='*'){
            sum++;
            a[i+2]='*';
        }
        if(a[i+1]==a[i]&&a[i]!='*'&&a[i+1]!='*'){
            sum++;
            a[i+1]='*';
        }
    }
    cout<<sum<<endl;
  }
return 0;
}
